<template>
<div>
  <h3>请选择你喜欢的专栏</h3>
  <li v-for="(item,index) in arr" :key="index">
    <input type="checkbox" v-model="newArr" :value="item">{{item}}
  </li>
  <li v-for="(item,index) in newArr" :key="index">{{item}}</li>
</div>
  
</template>

<script>
export default {
  data(){
    return {
      arr:["科幻", "喜剧", "动漫", "冒险", "科技", "军事", "娱乐", "奇闻"],
      newArr:[]
    }
  }
}
</script>

<style>

</style>